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Home >> Volvo >> 2007 >> S60 Base, FWD >> Repair and Diagnosis (Single Page) >> Body & Frame >> Seats >> Power Seat Module (PSM) - Diagnostic Trouble Codes >> PSM-003A: Hall Sensor 1. Faulty Signal. Intermittent Fault (2001-2009) >> Faulty Signal. Intermittent Fault >> Checking Input Signal

Checking Input Signal

When the seat is operated there should be a pulsed signal between pins according to the table.

DTC  Component  Terminal  Connector 
PSM-003A Hall sensor 1 #3, #4 E
PSM-003B Hall sensor 2 #3, #4 D
PSM-003C Hall sensor 3 #7, #8 E
PSM-003D Hall sensor 4 #11, #12 E

Other information: 

Fig 1: Breakout Box
GLL100304Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Voltage Display
GLL101041Courtesy of VOLVO CARS OF NORTH AMERICA.